3829608domain: NAppears in sequencesNumber of n X 6 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=18A207109a(n) is the first positive number that can be represented in exactly n ways as the sum of cubes of three distinct integers in arithmetic progression.at n=3A359078